S-6 Miniature Bulbs range in voltage between six (6.0) and two hundred
fifty (250.0) volts.The letter S in the designation S-6 denotes that the
bulb is STRAIGHT-SIDED shape and that the glass envelope has a Maximum
Outer Diameter (M.O.D.) of six eighths of an inch or 0.75 inches which
is 19.00 millimeters. All bulbs in the S-6 category have a Maximum
Overall Length (M.O.L.) of between 1.80" inches or 45.72 millimeters and
1.88" inches which equals 47.752 millimeters. All S-6 miniature bulbs
have a C-2R or a CC-7A/C-7A Filament Design